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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Copyright (c) 2004-2011 QOS.ch<a name="line.2"></a>
<span class="sourceLineNo">003</span> * All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * Permission is hereby granted, free  of charge, to any person obtaining<a name="line.5"></a>
<span class="sourceLineNo">006</span> * a  copy  of this  software  and  associated  documentation files  (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "Software"), to  deal in  the Software without  restriction, including<a name="line.7"></a>
<span class="sourceLineNo">008</span> * without limitation  the rights to  use, copy, modify,  merge, publish,<a name="line.8"></a>
<span class="sourceLineNo">009</span> * distribute,  sublicense, and/or sell  copies of  the Software,  and to<a name="line.9"></a>
<span class="sourceLineNo">010</span> * permit persons to whom the Software  is furnished to do so, subject to<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the following conditions:<a name="line.11"></a>
<span class="sourceLineNo">012</span> *<a name="line.12"></a>
<span class="sourceLineNo">013</span> * The  above  copyright  notice  and  this permission  notice  shall  be<a name="line.13"></a>
<span class="sourceLineNo">014</span> * included in all copies or substantial portions of the Software.<a name="line.14"></a>
<span class="sourceLineNo">015</span> *<a name="line.15"></a>
<span class="sourceLineNo">016</span> * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,<a name="line.16"></a>
<span class="sourceLineNo">017</span> * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF<a name="line.17"></a>
<span class="sourceLineNo">018</span> * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND<a name="line.18"></a>
<span class="sourceLineNo">019</span> * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE<a name="line.19"></a>
<span class="sourceLineNo">020</span> * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION<a name="line.20"></a>
<span class="sourceLineNo">021</span> * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION<a name="line.21"></a>
<span class="sourceLineNo">022</span> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> */<a name="line.24"></a>
<span class="sourceLineNo">025</span>package org.slf4j.impl;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.HashMap;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.Iterator;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.Map;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.log4j.MDCFriend;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.slf4j.spi.MDCAdapter;<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span>public class Log4jMDCAdapter implements MDCAdapter {<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>        static {<a name="line.36"></a>
<span class="sourceLineNo">037</span>                if (VersionUtil.getJavaMajorVersion() &gt;= 9) {<a name="line.37"></a>
<span class="sourceLineNo">038</span>                        MDCFriend.fixForJava9();<a name="line.38"></a>
<span class="sourceLineNo">039</span>                }<a name="line.39"></a>
<span class="sourceLineNo">040</span>        }<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span>        public void clear() {<a name="line.42"></a>
<span class="sourceLineNo">043</span>                @SuppressWarnings("rawtypes")<a name="line.43"></a>
<span class="sourceLineNo">044</span>                Map map = org.apache.log4j.MDC.getContext();<a name="line.44"></a>
<span class="sourceLineNo">045</span>                if (map != null) {<a name="line.45"></a>
<span class="sourceLineNo">046</span>                        map.clear();<a name="line.46"></a>
<span class="sourceLineNo">047</span>                }<a name="line.47"></a>
<span class="sourceLineNo">048</span>        }<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span>        public String get(String key) {<a name="line.50"></a>
<span class="sourceLineNo">051</span>                return (String) org.apache.log4j.MDC.get(key);<a name="line.51"></a>
<span class="sourceLineNo">052</span>        }<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span>        /**<a name="line.54"></a>
<span class="sourceLineNo">055</span>         * Put a context value (the &lt;code&gt;val&lt;/code&gt; parameter) as identified with<a name="line.55"></a>
<span class="sourceLineNo">056</span>         * the &lt;code&gt;key&lt;/code&gt; parameter into the current thread's context map. The<a name="line.56"></a>
<span class="sourceLineNo">057</span>         * &lt;code&gt;key&lt;/code&gt; parameter cannot be null. Log4j does &lt;em&gt;not&lt;/em&gt;<a name="line.57"></a>
<span class="sourceLineNo">058</span>         * support null for the &lt;code&gt;val&lt;/code&gt; parameter.<a name="line.58"></a>
<span class="sourceLineNo">059</span>         * <a name="line.59"></a>
<span class="sourceLineNo">060</span>         * &lt;p&gt;<a name="line.60"></a>
<span class="sourceLineNo">061</span>         * This method delegates all work to log4j's MDC.<a name="line.61"></a>
<span class="sourceLineNo">062</span>         * <a name="line.62"></a>
<span class="sourceLineNo">063</span>         * @throws IllegalArgumentException<a name="line.63"></a>
<span class="sourceLineNo">064</span>         *             in case the "key" or &lt;b&gt;"val"&lt;/b&gt; parameter is null<a name="line.64"></a>
<span class="sourceLineNo">065</span>         */<a name="line.65"></a>
<span class="sourceLineNo">066</span>        public void put(String key, String val) {<a name="line.66"></a>
<span class="sourceLineNo">067</span>                org.apache.log4j.MDC.put(key, val);<a name="line.67"></a>
<span class="sourceLineNo">068</span>        }<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span>        public void remove(String key) {<a name="line.70"></a>
<span class="sourceLineNo">071</span>                org.apache.log4j.MDC.remove(key);<a name="line.71"></a>
<span class="sourceLineNo">072</span>        }<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span>        @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.74"></a>
<span class="sourceLineNo">075</span>        public Map getCopyOfContextMap() {<a name="line.75"></a>
<span class="sourceLineNo">076</span>                Map old = org.apache.log4j.MDC.getContext();<a name="line.76"></a>
<span class="sourceLineNo">077</span>                if (old != null) {<a name="line.77"></a>
<span class="sourceLineNo">078</span>                        return new HashMap(old);<a name="line.78"></a>
<span class="sourceLineNo">079</span>                } else {<a name="line.79"></a>
<span class="sourceLineNo">080</span>                        return null;<a name="line.80"></a>
<span class="sourceLineNo">081</span>                }<a name="line.81"></a>
<span class="sourceLineNo">082</span>        }<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span>        @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.84"></a>
<span class="sourceLineNo">085</span>        public void setContextMap(Map contextMap) {<a name="line.85"></a>
<span class="sourceLineNo">086</span>                Map old = org.apache.log4j.MDC.getContext();<a name="line.86"></a>
<span class="sourceLineNo">087</span>                if (old == null) {<a name="line.87"></a>
<span class="sourceLineNo">088</span>                        Iterator entrySetIterator = contextMap.entrySet().iterator();<a name="line.88"></a>
<span class="sourceLineNo">089</span>                        while (entrySetIterator.hasNext()) {<a name="line.89"></a>
<span class="sourceLineNo">090</span>                                Map.Entry mapEntry = (Map.Entry) entrySetIterator.next();<a name="line.90"></a>
<span class="sourceLineNo">091</span>                                org.apache.log4j.MDC.put((String) mapEntry.getKey(), mapEntry.getValue());<a name="line.91"></a>
<span class="sourceLineNo">092</span>                        }<a name="line.92"></a>
<span class="sourceLineNo">093</span>                } else {<a name="line.93"></a>
<span class="sourceLineNo">094</span>                        old.clear();<a name="line.94"></a>
<span class="sourceLineNo">095</span>                        old.putAll(contextMap);<a name="line.95"></a>
<span class="sourceLineNo">096</span>                }<a name="line.96"></a>
<span class="sourceLineNo">097</span>        }<a name="line.97"></a>
<span class="sourceLineNo">098</span>}<a name="line.98"></a>




























































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